This Research Note examines the fire detection and suppression businesses of Halma plc, part of the Safety Sector of the UK public company.  This analysis is based on financial releases, investor presentations, year ending 31 March 2025, announced on 12th June 2025, and Memoori analysis of the major companies and estimated revenue mix of the Fire Safety subsector, including previous coverage of Halma. Halma Safety Sector Halma is a group of nearly 50 small to medium-sized specialist technology companies. 21 companies are part of Halma’s Safety sector, protecting people, assets, and infrastructure in commercial, industrial, and public spaces. The Safety sector has 4 sub-sectors, Public Safety, Fire Safety, Worker Safety, and Infrastructure & Asset Safety. The sector accounts for 40% of group turnover.  In FY 2025, sector revenue of £902.0m (2024: £823.8m) was 9.5% higher than in the prior year. Revenue growth on an organic basis was 7.7%, which was supported by a healthy order book and […]